Singletree



PATENT OFFICE.

. RAY S. MATTINGLEY, OF'ROCKPORT, INDIANA.

SINGLETREE.

4T0 all whom t 77mg/ concern.' l

Be it known that I, RAY S. Ma'r'iiNGLnr, a. .citizen of the United States, and a resident of Rockport, in the county of Spencer and State of Indiana, have invented certain new and useful Improvements yin Singletrees, of which the following is a specification.

This invention relates to a singletree and more particularly to the construction thereof.

The object of the invention is to provide a single tree of such construction that the same will be light and durable and adapted to withstand a great pulling strain without breaking.

It is also an object of the invention that the structural features employed shall be adapted to be utilized in the construction of a doubletree or neck-yoke.

Other objects will hereinafter appear in the detailed description to follow.

The invention is illustrated by way of eX- ample in the accompanying drawings, in which Figure 1 is a perspective view of a singletree constructed 1n accordance with the pres` ent invention,

Figure 2 is a transverse section taken through the longitudinal center of the same,

Figure 3 is a fragmentary sectional view illustrating the manner in which the trace hooks are connected to the single-tree,

Figure 4 is a longitudinal sectional view illustrating the structural elements of the .singletree before the same are riveted ton gether,

F ignre 5 is a perspective view of a neck yoke in which the structural features of the present invention have been incorporated.

Referring to the drawings more particularly, 10 indicates a filler strip which is of Wood, or the like, and the thickness thereof tapering or decreasing toward its ends from the longitudinal center thereof as best shown in Figure 4. A metal strip 11 is placed upon each side of the filler strip 10, said strips 11 being greater in length than the filler strip 10 and having the extended end portions 12. In constructing the singletree the metal strips 11 are positioned upon each side of the filler 10, as shown in Figure 4t, and the metal strips and filler are then rigidly secured together by means of rivets 13, each of the rivets extending through both metal strip-s and ,Y filler strip.

Speccation of Letters Patent.

Application aied'Juiy 7, y1921.

Patented Apr. el, 1922.

serial No. 483,040.

It is of course to be understood'that suitable openings are made in the strips 11 and filler v10 for receiving the rivets as shown at M, in Figure et. In riveting the strips "upon the fil-ler the ends thereof must be sprung downwardly due to the tapering sides ofthe filler and in so doing a solid and durable structure is formed, the tension of the metal strips add to the strength of the singletree as a whole in a manner well understood. Also as is apparent the tension of the metal strips eliminates any possibility of the rivets loosening and generally increases the durability of the singletree.

Between each of the corresponding ends 12 of the metal strip-s there is pivoted a t-race hook 15 by the means of a rivet 16. The hooks 15 are adapted to receive a trace link as at 17 and their free ends are caused to press against the forward edge of the filler 1Q when a. pulling strain is applied upon the hooks as shown in Figures 1 and 3, the purpose of this is to hold the trace chains against accidental removal. Y It Will be observed that the longitudinal edges of the filler plate 10 slightly extend from the similar edges of the strips 11, the purpose of this is to eliminate any,possi bility of the horses legs coming in contact with the edges of the metal strips 11.

At the longitudinal center of the singletree and adjacent the forward edge thereof a suitable opening is provided for receiving a pin 19, by which the free ends of a clevis 20 may be secured to the singletree. The clevis 20 may be of any desirable construction and the pin 19 is preferably formed with a head at each end in order to eliminate accidental removal or displacement.

It is believed from the foregoing description that the advantages of the present invention may be clearly understood.

It may be here mentioned that a doubletree may be constructed in a similar manner providing the strength of the material used is proportionally increased.

Referring to Figure 5 in which a neckyoke constructed in accordance with the present invention is exemplified, 22 indicates the reinforcing metal strips which correspond to the metal strips 11 shown and described in Figures 1 to 11. Between the strips there vis of course positioned a filler such as shown by the reference numeral 10 in Figures 1 to et and the same general features of construction relatire to the tapering of the filler toward its ends are included. Also a ring 22 is positioned in the extended ends of the metal strips 21 and a suitable clevis 23 is riveted at an intermediate point of the ends of the neck-yoke as shown, said clevis support- `ing a. ring 24.

claim 1. A singletree construction comprising a pair of metal strips, a filler therebetween, the thickness of which decreases ortapers toward its ends from its longitudinal center,

i rivets extending through said strips and iiller by which they are secured together to form a solid structural unit, the ends of said strips slightly extending beyond the correspending ends of the filler, a trace hook having its one end pivotally connected .between each of similar extended ends of said nieta-l strips, and a c-levis secured to the singletree l at a point intermediate its ends.

` 2; A draft element construction of the character specified comprising a' filler, the thickness of which decreases or tapers toward its ends, arspring metal strip upon a pair of opposing sides of the filler extending longitudinally thereof and sprung against the tapering port-ions of the filler, and means extending through said strips and filler for rigidly securing the strips together and against the associated sides of the filler.

RAY S. MATTINGLEY. 

